Extracted from Pike v7.8 release 866 at 2016-11-06.
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GL

Method GL.glEnableClientState()


Method glEnableClientState

void glEnableClientState(int cap)

Description

glEnableClientState and glDisableClientState enable or disable individual client-side capabilities. By default, all client-side capabilities are disabled. Both glEnableClientState and glDisableClientState take a single argument, cap, which can assume one of the following values:

GL_COLOR_ARRAY If enabled, the color array is enabled for writing and used during rendering when glDrawArrays or glDrawElement is called. See glColorPointer .
GL_EDGE_FLAG_ARRAY If enabled, the edge flag array is enabled for writing and used during rendering when glDrawArrays or glDrawElements is called. See glEdgeFlagPointer .
GL_INDEX_ARRAY If enabled, the index array is enabled for writing and used during rendering when glDrawArrays or glDrawElements is called. See glIndexPointer .
GL_NORMAL_ARRAY If enabled, the normal array is enabled for writing and used during rendering when glDrawArrays or glDrawElements is called. See glNormalPointer .
GL_TEXTURE_COORD_ARRAY If enabled, the texture coordinate array is enabled for writing and used for rendering when glDrawArrays or glDrawElements is called. See glTexCoordPointer .
GL_VERTEX_ARRAY If enabled, the vertex array is enabled for writing and used during rendering when glDrawArrays or glDrawElements is called. See glVertexPointer .

Parameter cap

Specifies the capability to enable. Symbolic constants GL_COLOR_ARRAY , GL_EDGE_FLAG_ARRAY , GL_INDEX_ARRAY , GL_NORMAL_ARRAY , GL_TEXTURE_COORD_ARRAY , and GL_VERTEX_ARRAY are accepted.

Parameter cap

Specifies the capability to disable.

Throws

GL_INVALID_ENUM is generated if cap is not an accepted value.

glEnableClientState is not allowed between the execution of glBegin and the corresponding glEnd , but an error may or may not be generated. If no error is generated, the behavior is undefined.